Answer:
1. divide the number by 2
2. 12 hours
3. 200 kilometers
4. 2.4 hr or 2 hours and 24 minutes
5. 1 liter
6. divide by 10
7. 18 hours
8. 500 kilometers
Explanation:
if im wrong correct me pls but im almost certain it is, and if you need an explanation i can explain